Head of a brush for taking a smear sample



FIG. 1 is a perspective view of a head of a brush for taking a smear sample of the present invention;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a head of a brush for taking a smear sample, as shown and described. 